https://cps.org.uk/wp-content/uploads/2023/06/CPS-The-Unregulated-Regulator-final.pdf
https://www.esri.ie/system/files/publications/RS155.pdf
https://www.nuffieldtrust.org.uk/news-item/how-has-the-role-of-the-private-sector-changed-in-uk-health-care
https://curia.europa.eu/jcms/upload/docs/application/pdf/2021-11/cp210197en.pdf